Elevator.



FRANK H. BROWN @L PRED H.

BLNVATON.

2 SHEETS-SHEET 1.

40 elevator a cross bar 16 is secured t'o the body of the controller andto opposite ends ofthe cross vbar cables or analogous devices '17 aresecured and pass over sheaves 18I secured on the outer surfaces of theup'perextremities of the standards l5, and from the said sheaves thecables pass downwardly to winding drums 19 on the opposite extremitiesof a shaft 2() supported by the said standards and having at one end asuitable crank handle 21 anda ratchet and pawl mechanism 22. By 'rotating the shaft and the winding drums 19 in reverse directions thecontroller or prop may be raised or lowered and correspondingly elevateor depress the carrier and its coperating means.

The l. elevator frame 23' is fulcrumed or movable at its lower extremityon a `shaft24 terminally engaging the side members of the base 1. vThisframe 23 comprises up er and lower iarallel angle bars 25 and 26 w iiehare braced and connected by suitable .latticework as shown and issimilar in its construction to the elevator frames disclosed by thepatents hereinbefore mentioned and partic-v ularly Patent No. 846,725.The frame 23 may be raised and lowered on the shaft 24 as a pivotalsupport and in accordance with the adjustment of the controllerhereinbefore described and cooperating with said frame is an endlesscarrier consisting of a pair of sprocket chains 27 which engage sprocketwheels 28 on the shaft 24 and also other s rocket wheels carried by anupper shaft oI rum 29 connecting the upper extremities of the sides ofthe said elevator framevand similar to the construction at this point asdisclosed by the aforesaid patents. The lower angle bars 26 areprojected beyond the upper angle bars 25 at the upper extremity o' theframe and suitably shaped and braced to support a roller 30 whichfacilitates 'the'movement of a bag, boxr barrel over the upper end ofthe elevator and clear ofthe -Working parts including `the carrier. his

arrangement at the upper 'extremity of the elevator frame as -justexplained Vfacilitates the projection of said ortion. of the frame justfarenough beyonl the -point Where the carrier makes its return movementto practically deliver a bag or boxmfrom the carrier or the truckorganizationncluded in the `latter without requiring manual assistanceor' attention.

`" The levatorfframe and carrier structure (explained is butonepreferred form of ar ra 'ement and isnot necessarily essential in the'details of construction enumerated o the tactical pera'tionof.theelevato'r asa whole. twill be, observed, however,` that the eleva#tei-.frame and ccrrierspecified 'afi-e 'of alightsandfdiirable-stnuc'lure" p d consequently advantageous not'only butintheoprodii'ction'o a oitableelevator.;

e lfie carrierccmpri-sing t e endless belts br 'elevator purposes., l

sprocket chains 27 is driven through the medium of the shaft 24 by thelmotor 4, suitable belting or other power-transmitting means beingintroduced between the inotor and said shaft.

veyer includes in its organization a truck The endless carrier or con-Ifeature which is arranged at intervals th rein yand comprises aplurality of cross slats 31 aving terminal guards or blocks 32 securedon the ends thereof, the slats 31 being attached to the endless sprocketchains or belts 27 by introducing in the latter a'plurality ofr links 33provided with opposite securing ears or projections 34 riveted orotherwise' fixed to the slats 31 so that when the truck organization ofthe carrier is uppermost erin position to receive a bag, box 'or thelike, the ears or' projections 34 will be positioned against the i undersides of the said slats. ganization also includes roller shafts 35 heldin the opposite sprocket chains or belts 27 A' and terminally providedwith rollers 36A which bear on the horizontal members of the angle bars25 and 26 of the elevator frameto ease the movement of the endlesscarrier for conveyer and prevent the latter from sagging when loaded orprojecting below the I lower 'portion of the said elevator frame. Threeroller shafts 35 are shown in the pres- -ent instance, but it is obviousthat this number may be varied in accordance with the increase ordecrease of length of the truck organization... the particular links 33to which the slats 31 are secured, are not essential to the practicaloperation of the truck organization and that' other links might besubstituted therefor. It has been found by ractical experiment, however,that'this simplle'forngi'pf link is'ver `well adapted for the purpose.Each truc organization also basa foot brace 37 secured at one 'extremityto the opplosite endless sprocketv chains or belts 27, t e purpose of te foot brace being to hold-the bag, box, barrel .or other parcel inplace on the truck organization during ascent of the latter and It willalso .be understood tha f I ice this brace, combined with the guards 32,

will be especially useful in providin a recepf tacle meansfor-positively holding a ag, box, barrel or other parcel on the endlesscarrier or conveyer and obviate an tendency either to backward movementof t e object elevated or 'lateral' slipping of the same.- Asili the Y,

atented structures A it will 'be notedl that the` endless carrier orconveyer is driven from the lower end of the elevator and that the saidframe is adjustablel on the shaft 24' and unattached at any other.

hereinbefore referred to ,n 12C' point and hence said elevator frame andcar-l ff grd;

rier, together with the t'ruck organizations,

may be raisedv and lowered without in the least interfering with theoperation of the carrier` or Without stopping the motor. Furthermorethe'haft 24 will'. be positioned close to the floor or ,rest on whichthe base 1 is disposed, .130

. tending s ats connected to a 'l `tending slats connecte r htroller'and provided with devices for elevating and lowering the saidcontroller.

5.1In an elevator of the class specified, a supporting means, anelevator frame fulcrumed on the supporting means and involving acarrier, a controller fulcrumed at its lower extremity on the supportingmeans and consisting of a body portion with flanged pulleys at its upperextremity and a cross )ar heldin fixer position below the pulleys,flexible devices connected to the opposite extremities of the cross bar,and means for windin and unwinding said flexible devices, the pul eys onthe upper end ofthe controller looselyengaging the under side of theelevator frame. y

^ 6. In an elevator of the class specified, an elevatorframe, an endlesscarrier movable in the said frame and involving a plurality of connectedlinks, and a car organization ar- Aranged at spaced intervals in tliecarrier and consistin of a plurality of transversely exortion of thelinks and rovided with end b ccks, the carrier links. etween theopposite terminals of the car organizations being unconnected in atransverse direction. 'y

7. In an elevator ofthe class specied, an elevator frame, an endlesscarrier vmovable in the said frame and involving a plurality ofconnected links, and car organizations ar ranged at spaced intervals inthe carrier and consisting of a pluralit of transversely exto Aa`portion of the links and provided With endblocks and a -foot braceatone extremity, the links ofthe carrier between the terminals ofthe caror- V 'ganizlations being unconnected in satrans'- llongitudinallythrough the frame and involv ing a plurality'of links, and aoarorganiza- '.tion arranged at intervalswithin the carrier and lcomprisinga pluralityof` transversely extending shafts having rollers thereon andslats arranged with relation to the said shafts and rollers andconnected to the links, the

the frame an-d involving a plurality of links,

and a car organization arranged'at intervals within the carrier andcomprising a plurality of transversely extending shafts having" rollersthereon, and slats arranged intermediately with' relation to the shaftsvand I rollers and connected tothe links, the links being attached to theunder sidesof theislats and the latter provided with endblocksprojecting upwardly above the rollers. i

10. In an elevator of the class speciiied, an'

elevator frame, van endlessl carrier movable in and a carorganizationarranged at intervals within the carrier and comprising a plurality theframe and involvinga plurality of links,

of transversely' extending Ishafts having rollers thereon, and slatsarran ed.interl mediately with relationto the s afts and i rollers andconnected to the links, the links being attached -to the under sides ofthe slats jectin brace -In testimony set out hands 1n presence of two siubscribin'g l. R. ",MINNIVEHILn n whereof we have hereuntoandthe latterrovided with end blocks roupwar ly 'above the rollers, aoot. eing alsodisposedV at one end ofeach l Acal organization.

